/*
 * This file is part of Applied Energistics 2. Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved. Applied
 * Energistics 2 is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
 * later version. Applied Energistics 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
 * Public License for more details. You should have received a copy of the GNU Lesser General Public License along with
 * Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.util.iterators;

import java.util.Iterator;

import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;

public final class InvIterator implements Iterator<ItemStack> {

    private final IInventory inventory;
    private final int size;

    private int counter = 0;

    public InvIterator(final IInventory inventory) {
        this.inventory = inventory;
        this.size = this.inventory.getSizeInventory();
    }

    @Override
    public boolean hasNext() {
        return this.counter < this.size;
    }

    @Override
    public ItemStack next() {
        final ItemStack result = this.inventory.getStackInSlot(this.counter);
        this.counter++;

        return result;
    }

    @Override
    public void remove() {
        throw new UnsupportedOperationException();
    }
}
